218769221032 has 64 divisors (see below), whose sum is σ = 435210048000. Its totient is φ = 102805765056.

The previous prime is 218769221017. The next prime is 218769221059. The reversal of 218769221032 is 230122967812.

It is a super-2 number, since 2×218769221032² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 218769221032.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36907653 + ... + 36913579.

It is an arithmetic number, because the mean of its divisors is an integer number (6800157000).

Almost surely, 2^218769221032 is an apocalyptic number.

It is an amenable number.

218769221032 is a deficient number, since it is larger than the sum of its proper divisors (216440826968).

218769221032 is a wasteful number, since it uses less digits than its factorization.

218769221032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7838 (or 7834 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 218769221032 in words is "two hundred eighteen billion, seven hundred sixty-nine million, two hundred twenty-one thousand, thirty-two".